linux-kernel - Re: [BUG: 2.6.26-rc3] ERROR: "____ilog2

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Message-ID: <20080525201807.GK1791@cs181133002.pp.htv.fi>
Date:	Sun, 25 May 2008 23:18:07 +0300
From:	Adrian Bunk <bunk@...nel.org>
To:	Mirco Tischler <mt-ml@....de>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Subject: Re: [BUG: 2.6.26-rc3] ERROR: "____ilog2_NaN" undefined

On Sun, May 25, 2008 at 09:03:22PM +0200, Mirco Tischler wrote:
> On So, 2008-05-25 at 21:11 +0300, Adrian Bunk wrote:
> > Works for me with your .config.
> > 
> > You are using an unmodified 2.6.26-rc3 kernel?
> Yes. I just pulled today.
> > 
> > If yes, please:
> > - send the output of "bash ./scripts/ver_linux" and
> $ ./scripts/ver_linux
> If some fields are empty or look unusual you may have an old version.
> Compare to the current minimal requirements in Documentation/Changes.
> 
> Linux mtlp 2.6.26-rc3-experimental #18 SMP PREEMPT Thu May 22 21:17:47
> CEST 2008 x86_64 GNU/Linux
> 
> Gnu C                  4.3.0-4ubuntu1)
>...

I'd have said your gcc has a bug regarding __builtin_constant_p(),
but I can't reproduce it on i386 with the compiler you are using.

You are using exactly this compiler for compiling your kernel?

If yes I'm unfortunately out of ideas...  :-(

> Thanks
> Mirco

cu
Adrian

-- 

       "Is there not promise of rain?" Ling Tan asked suddenly out
        of the darkness. There had been need of rain for many days.
       "Only a promise," Lao Er said.
                                       Pearl S. Buck - Dragon Seed

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